package lab02.test22;

/**
 * Created by V555 on 2017/10/26.
 */
public class Test {
    public static void main(String[] args) {
        //给定一个字符串，将字符串中的所有大写字母变成小写字母，数字用0 来代替，其他符号用#代替
        String result="Hello,World!123";
        //hello#world#000
        char tmp;
        for (int i=0;i<result.length();i++){
            tmp=result.charAt(i);
            if (tmp>='A'&&tmp<='Z'){
                System.out.print((char)(tmp+32));
            }else if(tmp>='0'&&tmp<='9'){
                System.out.print(0);
            }else if (tmp>='a'&&tmp<='z'){
                System.out.print(tmp);
            }else {
                System.out.print("#");
            }
        }
    }
}

